200420225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{1153}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 264012120

約数和(自身を除く): 63591895

約数列:

[1, 5, 17, 25, 85, 409, 425, 1153, 2045, 5765, 6953, 10225, 19601, 28825, 34765, 98005, 173825, 471577, 490025, 2357885, 8016809, 11789425, 40084045, 200420225]

約数ペア:

[(1, 200420225), (5, 40084045), (17, 11789425), (25, 8016809), (85, 2357885), (409, 490025), (425, 471577), (1153, 173825), (2045, 98005), (5765, 34765), (6953, 28825), (10225, 19601)]